單片機(jī)課程設(shè)計(jì)音樂(lè)盒(編輯修改稿)
2024-07-23 12:41 本頁(yè)面
【文章內(nèi)容簡(jiǎn)介】 PTR MOV TL0,A MOV 20H,A SETB TR0 SETB TR1W1: LCALL DELAY30 INC 40H LCALL KS 。有鍵跳出 JNZ STOP LJMP NEXT20。STOP: CLR TR0 CLR TR1 LJMP MAIN0 。TTM12: LCALL K2 MOV A,37H CJNE A,0EH,TTM13 CLR TR1 LCALL DELAY1TTM120: LCALL KS LCALL DELAY1 JZ TTM120 LCALL K2 MOV A,37H CJNE A,0EH,TTM120 SETB TR1 LJMP NEXT20TTM13: CJNE A,0CH,TTM14 MOV A,52H INC A MOV 52H,A MOV A,53H INC A MOV 53H,A MOV A,36H INC A MOV 37H,A LJMP TTM2TTM14: CJNE A,0DH,TTM2 MOV A,52H DEC A MOV 52H,A MOV A,53H DEC A MOV 53H,A MOV A,36H DEC A MOV 37H,A。 TTM2: RET。***************************************************。定時(shí)器中斷子程序0。***************************************************TT0: PUSH ACC PUSH PSW MOV TL0,20H MOV TH0,21H CPL POP PSW POP ACC RETI。***************************************************。定時(shí)器中斷子程序1。***************************************************T1INT: MOV TH1, 3cH MOV TL1, 0b0H DJNZ L50MS,X4 MOV L50MS,20 。****************每秒種時(shí)鐘刷新秒顯示一次SECSET: MOV A,SEC MOV B,10 DIV AB ADD A,30H MOV P0,0CEH 。顯示秒十位 CALL ENABLE CALL WRITE2 MOV A,B ADD A,30H MOV P0,0CFH 。顯示秒個(gè)位 CALL ENABLE CALL WRITE2 MOV A,SEC INC A MOV SEC,A XRL A,60X4: JNZ OUTMINSET: MOV SEC,00H 。*************************************每分鐘刷新分顯示一次 MOV A,MIN INC A MOV MIN,A MOV B,10 DIV AB ADD A,30H MOV P0,0CBH 。顯示分十位 CALL ENABLE CALL WRITE2 MOV A,B ADD A,30H MOV P0,0CCH 。顯示分個(gè)位 CALL ENABLE CALL WRITE2 MOV A,MIN MOV B,3 MUL AB MOV B,100 DIV AB MOV R2,A MOV A,10 XCH A,B DIV AB MOV A,MIN XRL A,60 JNZ OUTHOUSET: MOV MIN,00H 。**************************************每小時(shí)刷新小時(shí)顯示一次 MOV A,HOU MOV B,10 DIV AB ADD A,30H 。將BCD嗎轉(zhuǎn)化為ASIIC碼 MOV P0,0C8H 。顯示小時(shí)十位 CALL ENABLE CALL WRITE2 MOV A,B ADD A,30H MOV P0,0C9H 。顯示小時(shí)個(gè)位 CALL ENABLE CALL WRITE2 MOV A,HOU INC A MOV HOU,A XRL A,10 JNZ OUT SJMP OVERFLOWOUT: RETI。*************************************溢出處理OVERFLOW: MOV L50MS,20 MOV L1MS,00H MOV L250MS,00H MOV SEC,00H MOV MIN,00H MOV HOU,00H RETI。DELAY30: MOV R7,2W2: MOV R4,125W3: MOV R3,248 DJNZ R3,$ DJNZ R4,W3 DJNZ R7,W2 DJNZ R1,DELAY30 RET。TABLE00: DW 64580,64684,64777,64820 DW 64898,64968,65030,64260 DW 64400,64524,65058,63835,64021。第一首《精忠報(bào)國(guó)》。TABLE10: DB 66H,52H,36H,22H,12H,12H,22H,32H,98H,84H,82H,92H,14H,12H,22H DB 32H,52H,22H,42H,38H,66H,52H,36H,22H,12H,22H,22H,32H,98H DB 24H,22H,32H,54H,52H,32H,92H,12H,92H,82H,98H,66H,52H,36H,22H DB 12H,12H,22H,32H,98H,84H,82H,92H,14H,12H,22H,32H,52H,22H,42H,38H DB 66H,52H,36H,22H,12H,22H,22H,32H,98H,24H,22H,32H,54H,52H,32H DB 22H,12H,92H,82H,98H,14H,24H,34H,44H,64H,0B4H,64H,32H,52H DB 62H,0B2H,62H,52H,38H,24H,22H,32H,54H,52H,62H,52H,32H,32H,22H,38H DB 64H,0B4H,64H,32H,52H,62H,0B2H,62H,52H,38H,22H,22H,22H,32H,52H,52H DB 52H,62H,7FH,74H,04H,58H,6FH DB 00。第二首《月亮代表我的心》。TABLE20: DB 02H,82H DB 16H,32H,54H,02H,52H DB 0A6H,32H,54H,02H,52H DB 64H,74H,0B6H,64H DB 52H,5CH,32H,22H DB 16H,12H,14H,32H,22H DB 16H,12H,14H,22H,32H DB 26H,12H,94H,22H,32H DB 2CH DB 32H,52H DB 36H,22H,14H,54H DB 0ACH,92H,0A2H DB 96H,0A2H,96H,82H DB 3CH,54H DB 36H,22H,14H,54H DB 0ACH,92H,0A2H DB 16H,12H,14H,22H,32H DB 2CH,02H,82H
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